Moxa DA-660-8-CE User manual

Brand: Moxa

Model: DA-660-8-CE

Category: Thin clients

Type: User manual

This manual is also suitable for

DA-660-8/16-CE User’s Manual

Fourth Edition, April 2008

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DA-660-8/16-CE User’s Manual

The software described in this manual is furnished under a license agreement and may be used only in

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Reproduction without permission is prohibited.

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Table of Contents

Chapter 1 Introduction ..................................................................................................1-1

Overview..................................................................................................................................1-2

Package Checklist.......................................................................................................1-2

Model Descriptions and Features...............................................................................1-2

Hardware Specifications............................................................................................. 1-3

Software Features.....................................................................................................................1-3

Applications Development Environment....................................................................1-3

Networking and Communications Capabilities..........................................................1-4

Supported Servers and Daemons................................................................................ 1-4

Obtaining the Firmware Build Version ....................................................................................1-5

Memory and File Systems........................................................................................................1-5

RAM-based Storage ...................................................................................................1-5

Onboard Flash Memory Storage................................................................................. 1-5

External Media Storage..............................................................................................1-5

Caution When Storing Data........................................................................................1-5

Storing Data in RAM vs. Flash Memory.................................................................... 1-6

Hive-Based Registry................................................................................................................1-6

RS-232/422/485 Serial Ports....................................................................................................1-6

Chapter 2 Getting Started .............................................................................................2-1

Starting Your DA-660 Computer .............................................................................................2-2

Resetting Your DA-660 Computer...........................................................................................2-2

Operating Your DA-660 Computer Via Serial Console ...........................................................2-2

Changing the Network Settings ...............................................................................................2-2

Operating Your DA-660 Computer Via Telnet Client.............................................................. 2-3

User/Group Management......................................................................................................... 2-4

Adjusting System Time and RTC Time.................................................................................... 2-5

Starting and Stopping Services ................................................................................................2-5

Troubleshooting Network Connectivity...................................................................................2-6

Simple Network Management Protocol (SNMP)..................................................................... 2-7

Chapter 3 Web-based Management System ...............................................................3-1

Logging Onto Web-based Management System......................................................................3-2

System Information..................................................................................................................3-2

Networking/Server Configuration............................................................................................ 3-3

Serial Port Configuration ......................................................................................................... 3-3

Process (Thread) Monitoring/Control......................................................................................3-4

Launching Processes Automatically.........................................................................................3-4

Services Monitoring/Control.................................................................................................... 3-4

Binary/Text File Management..................................................................................................3-5

Appendix A Using the LCM Keypad...............................................................................A-1

Appendix B Firmware Upgrade Procedure....................................................................B-1

Appendix C Frequently Asked Questions......................................................................C-1

Chapter 1 Introduction

Microsoft® Windows® CE 5.0 is an open, scalable, 32-bit operating system (OS) that allows you

to build a wide range of innovative, small footprint devices. A typical Windows® CE-based device

is designed for a specific use, and often runs disconnected from other computers, or distributed as

a front-end to a centralized host. Examples include enterprise tools, such as industrial controllers,

communications hubs, and point-of-sale terminals, and display devices, such as HMI,

advertisement appliances, and interactive panels.

The DA-660 WinCE series of ready-to-run embedded computers includes the 8-port DA-660-8-CE

and the 16-port DA-660-16-CE.

The following topics are covered in this chapter:

 Overview

¾ Package Checklist

¾ Model Descriptions and Features

¾ Hardware Specifications

 Software Features

¾ Applications Development Environment

¾ Networking and Communications Capabilities

¾ Supported Servers and Daemons

 Obtaining the Firmware Build Version

 Memory and File Systems

¾ RAM-based Storage

¾ Onboard Flash Memory Storage

¾ External Media Storage

¾ Caution When Storing Data

¾ Storing Data in RAM vs. Flash Memory

 Hive-Based Registry

 RS-232/422/485 Serial Ports

DA-660-8/16-CE User’s Manual Introduction

Overview

The DA-660 WinCE embedded computer is ideal for reliable, small-footprint, programmable,

communication-centric applications. DA-660 uses an Intel XScale IXP-422 RISC-based CPU

running at a clock rate of 266 MHz. Unlike the CISC architecture under an X86 CPU, the RISC

design supports compact instruction sets. A RISC-based CPU generates less heat and consequently

enhances reliability. To provide sufficient data storage and run-time memory for your applications,

DA-660 integrates 32 MB of Flash memory and 128 MB of SDRAM. In addition, the DA-660 has

two LAN ports and 8 or 16 serial ports to extend its communication capabilities. Two efficient

LAN ports support high-performance data transmission over the Intranet/Internet. Each serial port

supports an RS-232/422/485 3-in-1 operation mode switch to provide centrally-controlled

connectivity to diverse serial devices.

The Da-660 WinCE system is built on the Microsoft® Windows® CE 5.0 operating system (OS).

Using a common, widely used programming environment makes DA-660 suitable for new system

development and legacy system migration.

The hardware and software capabilities of the Da-660 WinCE system make it an ideal computing

platform for data acquisition and transmission applications.

Package Checklist

Before installing the Da-660 WinCE system, verify that the package contains the following items.

y 1 DA-660 WinCE

y 19-inch Rackmount Kit

y Quick Installation Guide

y Document & Software CD

y Cross-over Ethernet cable

y CBL-RJ45M9-150: 150 cm, 8-pin RJ45 to male DB9 serial port cable

y CBL-RJ45F9-150: 150 cm, 8-pin RJ45 to female DB9 console port cable

y Power Cord

y Product Warranty Statement

NOTE: Notify your sales representative if any of above items is missing or damaged.

Model Descriptions and Features

The Da-660 WinCE Series (referred to in this manual as DA-660) consists of two models. Both

models have exactly the same software features and hardware specifications, but DA-660-8-CE

has 8 serial ports and DA-660-16-CE has 16 serial ports.

The following table lists the hardware specifications of the models in more detail.

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DA-660-8/16-CE User’s Manual Introduction

Hardware Specifications

Model DA-660-8-CE DA-660-16-CE

CPU

Intel XScale IXP-422 266 MHz

RAM

128 MB

Flash

32 MB

LAN

Auto-sensing 10/100 Mbps × 2 with built-in 1.5 KV magnetic

isolation protection, RJ45 Connector

Serial Port

RS-232/422/485 × 8

RJ45 Connector

RS-232/422/485 × 16

RJ45 Connector

Serial Protection

15 KV ESD

Data Bits

5, 6, 7, 8

Stop Bits

1, 1.5, 2

Parity

None, Even, Odd, Space, Mark

Flow Control

RTS/CTS, XON/XOFF, RS-485 ADDC™

Speed

50 bps to 921.6 Kbps

Serial Console

RS-232 × 1, RJ45 Connector

LCM

128 × 32 dots

Keypad

4 buttons

Real Time Clock

Yes

Buzzer

Yes

Reset Button

Reset to Default × 1

Power Input

100- to 240 VAC/VDC auto ranging (47 to 63 Hz for AC input)

Power Consumption

12W

Dimensions

(W × D × H)

480 × 198 × 45 mm (with rack-mount ears)

440 × 198 × 45 mm (without rack-mount ears)

Operating

temperature

-10 to 60°C (14 to 140°F), 5 to 95% RH

Storage temperature

-20 to 70°C (-4 to 176°F), 5 to 95% RH

Regulatory Approvals

EMC: CE Class A, FCC Class A

Safety: UL, CUL, TUV

Warranty

5 years

Software Features

DA-660 ready-to-run embedded computers are network-centric, head-less computers that are

designed to be programmable for embedded communication applications.

Applications Development Environment

The Windows® CE operating system provides an easy-to-use programming environment for the

DA-660. In fact WinCE’s popular application development features make programming as

convenient and easy as in a PC environment.

y C Libraries and Run-times—Compared to the C libraries and run-times used on a desktop

PC running Windows®, the C libraries and run-times on a DA-660 WinCE are a subset of the

WIN32 APIs. The system supports a full ANSI C run-time, standard input/output library,

standard input/output ASCII library, and standard ASCII string functions. In addition,

compiler C++ exception handling and Run-Time Type Information (RTTI) equivalent to

desktop C++ compilers are supported.

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DA-660-8/16-CE User’s Manual Introduction

y Component Services (COM and DCOM)—The Common Object Model (COM) is an

operating system-independent, object-oriented system for creating binary software

components that can interact with other COM-based components in the same process space, in

other processes, or on remote machines.

y Microsoft® Foundation Classes (MFC)—MFC is a comprehensive class library and

complete object-oriented application framework designed to help build applications, COM

components, and controls.

y SOAP Toolkit—SOAP is an XML-based protocol for object exchange and remote procedure

calls. Microsoft® Windows® CE 5.0 provides functionality similar to the SOAP Toolkit

version 2 on the desktop. It provides a layer that allows COM objects to use SOAP as the

transport protocol for remote procedure calls and to interact with Web services.

y Microsoft® .NET Compact Framework 2.0—Offers a choice of programming languages,

initially Microsoft® Visual Basic® and Microsoft® Visual C#, and eliminates the common

problems faced with language interoperability.

y XML—Provides the Document Object Model (DOM) for base XML functionality, support for

XML Query Language (XQL) and XPATH, Extensible Style Sheet Language

Transformations (XSLT) that enables you to transform one class of XML document to another,

SAX2 support for event-based parsing of XML documents (including MSXML Writer), and

parsing based on Simple API for XML (SAX) for resource-constrained target devices.

y Winsock 2.2—Provides enhanced capabilities over Winsock 1.1, including installable service

providers for additional third-party protocols, and Media sense.

Networking and Communications Capabilities

For network centric embedded application usage, DA-660 not only provides powerful

communication hardware interfaces, including dual Ethernet and 3-in-1 serial ports, but also

supports the networking and communications capabilities that are built into the Windows® CE 5.0

OS. The following features are supported:

y Simple Network Management Protocol (SNMP)—Monitors remote connections to the

network.

y Simple Network Time Protocol (SNTP) Client—Provides support for synchronizing the

device’s system time with an SNTP server, and supports Daylight Savings Time.

y Serial Communications—In addition to the 16550 UART driver bound to a debug port and

the console port, a special driver for 8 or 16 additional Moxa home-made serial ports is also

included.

y Network Utilities (IpConfig, Ping, Route)—Utilities for troubleshooting various network

problems.

y TCP/IP—Includes IP, Address Resolution (ARP), Internet Control Message (ICMP), Internet

Group Membership (IGMP), Transmission Control (TCP), User Datagram (UDP), name

resolution and registration, and DHCP.

Supported Servers and Daemons

In addition to the development and communication capabilities mentioned above, DA-660 embeds

the services and daemons listed below. These common and easy-to-use application servers help

users migrate the DA-660 embedded computer to industrial communication applications easily and

conveniently.

y Telnet Server—A sample server that allows remote administration through a standard Telnet

client.

y FTP Server—A sample server used for transferring files to and from remote computer

systems over a network using TCP/IP.

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DA-660-8/16-CE User’s Manual Introduction

y Web Server (HTTPD)—Includes ASP, ISAPI Secure Socket Layer support, SSL 2, SSL 3,

Transport Layer Security (TLS/SSL 3.1) public key-based protocols, and Web Administration

ISAPI Extensions.

y Dial-up Networking—Consists of a RAS client API and Point to Point Protocol (PPP). RAS

and PPP support Extensible Authentication Protocol (EAP) and RAS scripting.

Obtaining the Firmware Build Version

There are three ways to obtain the firmware version of the DA-660 embedded computer. This

information is particularly important for feature identification.

y Examine the welcome message after you log on to the computer.

y Log on to the Web-based management system (described in a later chapter) to view the system

information.

y Check the firmware version on the LCM display.

Memory and File Systems

The DA-660-8/16-CE file system allows file storage on the system RAM or on the onboard flash

memory. Files can also be stored on external media such as a USB drive or CompactFlash card.

RAM-based Storage

About 20 MB of the 128 MB SDRAM is available for user applications and data. The operating

system and kernel image occupy the rest of the space. The root directory is stored in RAM, along

with subdirectories such as “Windows”, “Temp”, “My Documents”, “Network”, and “Program

Files”. Files can be temporarily stored in these directories, but they will be deleted when the

system is shut down or restarted. Persistent files and programs should be placed in the

“NORFlash” directory.

Onboard Flash Memory Storage

Onboard flash memory storage is provided through the “NORFlash” directory. Anything that is

saved in this directory will be retained when power is disconnected or lost. 15.5 MB of storage is

available.

External Media Storage

When external media is installed, such as a USB drive or CompactFlash card, it will be found as an

additional directory. For data that is intended to be shared with a PC, the external media should be

formatted using the PC’s FAT file system.

Caution When Storing Data

It is recommend that the onboard NOR flash be used for storing programs only. For log data

generated by your programs, use external storage media such as CompactFlash or a Network File

System. CompactFlash is much easier to replace if it is damaged or full.

NOR flash memory has a life cycle of 100,000 write operations at the block (128 KB) level. It

does not support BBM (Bad Block Management). For this reason, a FAT file system would not

know if a flash block has reached the end of its life cycle. The FAT file system would continue to

scan the block again and again, eventually resulting in an unpredictable state.

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1-6

In addition, the FAT file system searches for free space sequentially when performing write

operations. As files are deleted, free storage space becomes more and more fragmented, making it

difficult to search. When a file is frequently updated, data is deleted and rewritten to the same

memory blocks over and over again. Eventually, the FAT file system would be unable to read those

blocks, causing the operating system to hang.

Although CompactFlash cards also have a life cycle, most use NAND flash memory with hardware

controllers that implement BBM. This feature allows the FAT file system to flag and skip any bad

blocks. Furthermore, there is much more storage space available on CompactFlash cards than on

the NOR flash memory. This space can be used cautiously to maximize the media’s life cycle. An

effective method is to create a large empty file (around 30 MB) to store log data. Data is written

evenly over the space, and when the end of the space is reached, the write operations start over

from the beginning of the space. This method reduces the number of write operations performed on

each block.

Storing Data in RAM vs. Flash Memory

Although data saved in RAM will be deleted when the system shuts down, RAM storage has the

advantage of faster read/write access and no life cycle issue.

For applications where important data is transmitted immediately and directly to a host, you can

store the necessary log data in RAM. After the host receives the data, the data does not need to be

retained and can be deleted.

Embedded computers have resource limits, so integrators need to determine when it is critical that

data be stored on one of the file systems. When it is necessary for data to be stored, the appropriate

file system should be used.

Hive-Based Registry

The registry for DA-660 is a hive-based registry instead of a RAM-based registry. The hive-based

registry stores registry data inside files, or hives, which can be kept on any file system. This

eliminates the need for performing backup and restore on power off.

RS-232/422/485 Serial Ports

The DA-660 embedded computer comes with two embedded serial ports, named COM1 and

COM2. COM1 is hidden inside the box case for debugging purposes when developing firmware.

COM2 is used as the console port. Although the console port can be used when developing

applications (e.g., data acquisition and control), we suggest that you always use the serial ports

located on the front of the device for your applications, and reserve COM2 for console access.

The additional serial ports are named COM3, COM4, etc., reading from left to right. The ports are

designed for reliable, high-speed data transmission. The ports are 3-in-1 (i.e., they can be set for

RS-232, RS-422, or RS-485) to make them suitable for many different applications. Each of the

ports supports a baudrate up to 921600 bps.

Chapter 2 Getting Started

In this chapter, we explain how to use a PC to operate a DA-660 computer. For clarity, the PC is

referred to as a development workstation and the DA-660 computer is called a target computer.

In addition, manual steps are described to facilitate operations such as system time adjustment,

troubleshooting network connectivity, etc. Some of these operations can be done via system

commands after gaining access to the computer and others can be done by a Web-based

management system, which is described in a later chapter.

The following topics are covered in this chapter:

 Starting Your DA-660 Computer

 Resetting Your DA-660 Computer

 Operating Your DA-660 Computer Via Serial Console

 Changing the Network Settings

¾ Default IP Address

 Operating Your DA-660 Computer Via Telnet Client

 User/Group Management

 Adjusting System Time and RTC Time

 Starting and Stopping Services

 Troubleshooting Network Connectivity

 Simple Network Management Protocol (SNMP)

DA-660-8/16-CE User’s Manual Getting Started

Starting Your DA-660 Computer

Connect the power cord that is shipped with the package to the AC/DC power connector (located

on the right side of the rear panel) of the target computer. It takes about 30 to 60 seconds for the

system to boot up. Once the system is ready, the Ready LED lights up and glows steadily till the

computer is shutdown and the computer displays its model name and firmware version on the

LCM.

Resetting Your DA-660 Computer

Cold-Start: Switch off and then switch on the power again. The computer reboots itself right

away.

Resetting to Factory Defaults: To reset the system back to factory default settings, press and hold

the Reset to Default button for at least 5 seconds. The buzzer sounds while the factory default

settings are loaded. After the factory default settings have been loaded, the computer reboots itself.

Operating Your DA-660 Computer Via Serial Console

The serial console port (next to two LAN ports) gives users a convenient way of connecting the

development workstation to the console utility of the target computer. This method is particularly

useful when using the computer for the first time.

After you have wired a serial cable, go back to the development workstation and start a terminal

program (e.g., HyperTerminal) by using the settings shown below for the serial console port.

Baudrate

115200 bps

Parity

None

Data bits

Stop bits

Flow Control

None

Terminal

ANSI

After a successful connection, type the login name and password as requested to logon the

computer. The default values are both “admin”.

Password: admin

The console has a default timeout value of 15 minutes. To disable the timeout, you will need to

change a value in the registry. Go to “HKEY_LOCAL_MACHINE\Comm\CONSOLED”, and

set the “Timeout” value to “FFFFFFFF”.

Changing the Network Settings

The DA-660 computer comes with two network interfaces. The default IP addresses and netmasks

of the network interfaces are as follows:

Default IP Address Netmask

LAN 1

192.168.3.127 255.255.255.0

LAN 2

192.168.4.127 255.255.255.0

Normally, you are required to change them because they are located on a different local network

from that of your development workstation. Use the command netconfig to complete the task.

Type netconfig -h to examine the usage of the command.

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\> netconfig -h

Usage: netconfig –n <“LAN1” or “LAN2”> [-m <netmask>] [-d <DNS server>] [-g <gateway>]

[-i <IP address>]

For example, your development workstation has a LAN port at 192.168.1.x and the Domain Name

Server (DNS) is at 192.168.2.6. Execute the following command.

\> netconfig –n LAN1 –i 192.168.1.5 –m 255.255.255.0 –g 192.168.1.254 –d 192.168.2.6

Use command netconfig to view the new settings.

\> netconfig

LAN1 Interface Configuration:

IP Address: 192.168.1.5

SubNet Mask: 255.255.255.0

Gateway: 192.168.1.254

DNS: 192.168.2.6

LAN2 Interface Configuration:

IP Address: 192.168.4.127

SubNet Mask: 255.255.255.0

Gateway:

DNS:

Operating Your DA-660 Computer Via Telnet Client

Before operating your target computer using the Telnet client, we suggest that you change the

network settings of the computer (see the earlier section) to have at least one of the two network

ports situated in the same LAN as your development workstation.

Use a cross-over Ethernet cable to connect your development workstation directly to the target

computer, or a straight-through Ethernet cable to connect the computer to a LAN hub or switch.

Next, use a Telnet client in your development workstation to make a connection to the Telnet

console utility of the target computer. Upon a successful connection, type the login name and

password as requested to log on to the computer.

Password: admin

After passing the authentication validity check, a group of commands will be available to operate

the computer. Use HELP to display all of the commands, or type HELP [command name] to

display extended help for the selected command. Some of these commands, such as DATE and

TIME, are very useful for managing the system time of the computer. Other commands, such as

DIR and MKDIR, are good utilities for file management. For example, to inspect the file structure

of the root directory, type DIR

\> dir /b

NORFlash

My Documents

Program Files

Temp

Windows

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User/Group Management

User Group: You often want the target computer to be accessible by multiple users with different

needs. For example, a specific service, such as ftp or telnet, is accessible only by the users within

the permissible group. By default, three user groups, namely ftpd, telnetd, and administrators are

pre-created for your convenience.

Adding a Group: Use the command useradd –g <groupName> to create a user group.

\> useradd –g yyyy

group yyyy has been added.

Deleting a Group: To remove a group, use the command userdel –g <groupName>.

\> userdel –g yyyy

group yyyy has been removed.

Adding a User: Use the command useradd <newUserID> to add a user for accessing the system.

The user’s password, by default, is the same as the user name.

\> useradd xxxx

user xxxx has been added.

In addition, you can permit this user to access a particular service by typing -g followed by the user

group name of the service, i.e., useradd –g <groupName> <newUserID>. For example,

\> useradd –g telnetd xxxx

user xxxx is existent

group telnetd is existent

user xxxx has been added to group yyyy

Deleting a User: Use the command userdel <userID> to delete a user from the system. User

“admin” CANNOT be deleted.

\> userdel xxxx

user xxxx has been deleted

You can also just remove a user from a user group by using the command userdel –g

<groupName> <newUserID>. For example,

\> userdel –g yyyy xxxx

user xxxx has been removed from group yyyy

Changing the Password: Use the command “passwd <userID>” to change your login password.

The user’s password, by default, is the same as the user name.

\> passwd xxxx

Current password:

New password:

Retype new password:

Password has been changed

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DA-660-8/16-CE User’s Manual Getting Started

Adjusting System Time and RTC Time

The DA-660 computer has two time settings, the system time (or CPU clock) and the RTC (Real

Time Clock) time. The system time regulates the execution of instructions and the RTC keeps

track of the time even when the computer is turned off. RTC time runs on a special battery that is

not connected to the normal power supply. Do not confuse a computer's real-time clock with its

CPU clock.

Setting the System Time Manually: Use the date, and time commands to query the current

system date/time or to set a new system date/time.

\> date

The current date is: Tuesday, November 22, 2005

Enter the new date (mm-dd-[yy]yy): 12-23-05

\> date /T

Wednesday, November 23, 2005

\> time

The current time is: 5:27:17 PM

Enter the new time (hh:mm:ss): 16:02:00

\> time /T

4:02:04 PM

Adjusting RTC Time: Use the command hwclock -w to convert the system time to the RTC time.

\> hwclock -w

Use the command hwclock –w YYYY-MM-DD hh:mm:ss to manually update the RTC time.

\> hwclock –w 2005-12-23 15:00:00

Use the command hwclock to query the updated RTC time.

\> hwclock

2005-12-23 15:00:00

Starting and Stopping Services

After booting up, the DA-660 computer runs several services continuously to serve requests from

users or other programs. Notable services include telnet (“TEL0:”), console (“CON0:”), world

wide web HTTP (“HTP0:”), and file transfer FTP (“FTP0:”) etc. You seldom need to care about

these services. However, you still can start up or stop a service with its associated name by using

the command “services”. For example,

Start the FTP service by

\> services start FTP0:

Stop the FTP service by

\> services stop FTP0:

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Troubleshooting Network Connectivity

The ipconfig tool prints the TCP/IP-related configuration data of a host including the IP addresses,

gateway and DNS servers.

\> ipconfig /all

Windows IP configuration

Ethernet adapter Local Area Connection:

IP Address: 192.168.4.127

Subnet Mask: 255.255.255.0

Adapter Name: IXP425ETHNPE2

Description: IXP425ETHNPE2

Adapter Index: 2

Address: 80 86 33 33 34 12

DHCP Enabled: NO

Ethernet adapter Local Area Connection:

IP Address: 192.168.14.202

Subnet Mask: 255.255.248.0

Default Gateway: 192.168.15.254

Adapter Name: IXP425ETHNPE1

Description: IXP425ETHNPE1

Adapter Index: 3

Address: 78 56 34 91 cc dd

DHCP Enabled: NO

Host name: DA660CE

Domain Name:

DNS Servers: 192.168.1.6

NODETYPE: 8

Routing Enabled: NO

Proxy Enabled: NO

To troubleshoot network connectivity, reachability, and name resolution, use the ping command.

This command verifies IP-level connectivity to another TCP/IP computer by sending Internet

Control Message Protocol (ICMP) Echo Request messages. The corresponding return Echo Reply

messages are displayed, along with round-trip times. For more information, type ping without

parameters.

\> ping www.moxa.com

Pinging Host www.moxa.com [192.168.1.16]

Reply from 192.168.1.16: Echo size=32 time<1ms TTL=126

The route utility allows you to view or modify network routing tables. Type this command

without parameters to view a list of functions.

\> route

To view current routing items in the tables,

\> route PRINT

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To add a routing item on network interface 1,

\> route ADD 192.168.0.0 MASK 255.255.0.0 192.168.15.254 IF 2

To delete a routing item,

\> route DELETE 192.168.0.0

Simple Network Management Protocol (SNMP)

SNMP belongs to the TCP/IP protocol suite and is the Internet standard protocol for network

management. SNMP was developed to monitor and manage networks. It uses a distributed

architecture that consists of agents and managers:

y The SNMP agent is an application that monitors network traffic. It responds to queries from

SNMP manager applications. It also sends traps to notify the manager of significant events.

y The SNMP manager is an application that sends queries to SNMP agents and receives traps

from SNMP agents.

The DA-660 computer installs an SNMP agent to serve as an SNMP device. You should install the

SNMP manager on the workstation computer (for example, a Linux system) that monitors the

network. After installing the nodes, you need to configure the SNMP manager and agent.

To check SNMP agent capabilities in a target computer (e.g, network IP at 192.168.3.127), please

logon the workstation computer that, for example, a Linux-based computer, the SNMP manager

resides and type

\> snmpwalk -v 2c -c public 192.168.3.127 system

SNMPv2-MIB::sysDescr.0 Microsoft Windows CE Version 5.0 (Build 1400)

SNMPv2-MIB::sysObjectID.0 SNMPv2-SMI::enterprises.8691.13.7420

SNMPv2-MIB::sysUpTime.0 1282929

SNMPv2-MIB::sysContact.0 Your System Contact Here

SNMPv2-MIB::sysName.0 WindowsCE

You will see a series of messages from the SNMP agent. From there, you can monitor and manage

the computer.

Chapter 3 Web-based Management System

Note: Internet Explorer 5.5 or above is required to use the web based management system.

DA-660 ready-to-run embedded computers are network-centric platforms designed to be used as

tion

atically

front-end computers for data acquisition and industrial control. Due to the distributed

characteristics of the devices that these computers control, they often reside in harsh areas as the

devices themselves and are away from system administrators. To manage these computers,

operations such as networking/server configuration, file management, and process (thread)

monitoring/control become a critical area to consider.

The following topics are covered in this chapter:

 Logging Onto Web-based Management System

 System Information

 Networking/Server Configuration

 Serial Port Configura

 Process (Thread) Monitoring/Contr

 Launching Processes Autom

 Services Monitoring/Control

 Binary/Text File Management

DA-660-8/16-CE User’s Manual Web-based Management System

Logging Onto Web-based Management System

A web-based management system is provided for the DA-660-CE for easier management and

system administration. The web-based management system uses a menu bar and CGI pages to

provide access to commonly-used features.

Before using the web-based management system, your PC must have a web browser installed and

a network connection to the DA-660-CE. To open the web-based management system, follow

these steps:

1. Point your PC’s web browser to the DA-660-CE’s IP address. When the main page opens,

select Web-Based Management.

2. When prompted, enter the required authentication data, including case-sensitive user ID and

password. The default user ID and password are as follows:

User ID: admin

Password: admin

System Information

After you logon successfully, the main page displays the system information of the target computer,

including the firmware version of the computer, the CPU system time, and system resources

including main memory and file system usage (RAM and Flash).

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DA-660-8/16-CE User’s Manual Web-based Management System

Networking/Server Configuration

The target computer has two network interfaces. To view or change their settings, click the

Networking item on the menu bar. After the page loads, enter the relevant details on the

corresponding text fields and then click “Update” to make the changes effective for the interfaces.

Serial Port Configuration

The embedded computer has multiple high-performance serial ports that can be set for RS-232,

RS-422, or RS-485 operation. All serial ports are set to RS-232 by default, and serial ports can be

set independently from one another. Changes will take effect when the system is rebooted, and will

remain in effect until another change is made.

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DA-660-8/16-CE User’s Manual Web-based Management System

Process (Thread) Monitoring/Control

At runtime, the target computer manages up to 32 applications that you can monitor and control

via the management system. To view current processes, click the Processes item on the main menu

bar. You can kill a process by clicking the kill button next to the process name.

Launching Processes Automatically

To have your application start on boot, do the following:

Step 1: Click the Processes item on the main menu bar. At the lower part of the page, there is an

area marked as “Automatic Launching”.

Step 2: Fill in the full path of the application in the first text field and its arguments in a separate

text field if there are any.

Step 3: Click Add.

Services Monitoring/Control

Some services run in the background to provide services, such as ftp, and telnet daemons etc, for

user requests. To monitor and control these services, do the following:

Step 1: Click the Services item on the main menu bar. The running services are displayed.

Step 2: Click the relevant check box to toggle a start/stop operation for the desired service.

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Moxa DA-660-8-CE User manual

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Model: DA-660-8-CE

Category: Thin clients

Type: User manual

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